<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>背景图片</title>
</head>
<style>
    body{
        width: 1200px;
        height: 60px;
        margin-top: 50px;
        background-image: url("https://wx2.sinaimg.cn/large/008gQmhFly1gq7ek06tymg30tz0ndx6u.gif");
    }
</style>
<body>

</body>
</html>